How to test opening and closing time for 132 k v SF6 circuit breaker in field? what is the name of measuring device ?

أفضل جواب: Yes I agree with those who had answered A & C  الإطلاع على المزيد

أفضل جواب: Contractor must send Material Inspection Request (MIR) of duly approved materials in compliance with Cont ... الإطلاع على المزيد

أفضل جواب: could be vacuum, oil; however SF6 is the best الإطلاع على المزيد

أفضل جواب: <p>the difference mainly will be in arc extinguisher element inside the breaker which allow the ACB ... الإطلاع على المزيد